Insecure Direct Object Reference in Frontend User Notes Plugin for WordPress
CVE-2025-12071

4.3MEDIUM

Key Information:

Vendor

WordPress
Status
Frontend User Notes
Vendor
CVE Published:
18 February 2026

What is CVE-2025-12071?

The Frontend User Notes plugin for WordPress has a vulnerability that permits authenticated attackers with Subscriber-level access and higher to exploit the 'funp_ajax_modify_notes' AJAX endpoint. Due to a lack of necessary validation on user-controlled keys, attackers can alter notes that belong to other users, compromising user data and privacy. All versions up to and including 2.1.0 are affected, underscoring the urgency for users to update to safer versions.

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Deploy the Patch

Affected Version(s)

Frontend User Notes * <= 2.1.0

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/frontend-user-...

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Athiwat Tiprasaharn
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